LM139AJ/883Q Specifications
Manufacturer: National Semiconductor
Part Number: LM139AJ/883Q
Product Type: Quad Voltage Comparator
Number of Comparators: 4
Comparator Type: Differential Voltage Comparator
Supply Voltage Range: 2 V to 36 V
Input Offset Voltage: Low Offset Comparator Design
Output Type: Open Collector Output
Package Type: Ceramic DIP-14
Mounting Type: Through Hole
Military Screening: MIL-STD-883 Qualified
Operating Temperature Range: -55°C to +125°C
Applications Class: Military and Aerospace Electronics
Packaging: Factory
Key Features
The LM139AJ/883Q is a quad voltage comparator designed for high reliability electronic systems. It integrates four independent comparator circuits within a single device. Additionally, the comparators support a wide supply voltage range which allows flexible operation in many analog and digital circuits. Because the device is screened to MIL-STD-883 requirements, it provides dependable operation in demanding environments. As a result, engineers frequently use this comparator in aerospace, defense, and industrial electronics.
Applications
Military avionics electronics
Radar and surveillance systems
Aerospace instrumentation equipment
Industrial control electronics
Signal threshold detection circuits
Power monitoring systems
Embedded control electronics
Precision comparator circuits
Product Overview
The LM139AJ/883Q from National Semiconductor provides reliable comparator functionality for high reliability electronic systems. First, the device integrates four voltage comparator circuits which allows multiple signal comparisons within a single integrated circuit.
Additionally, the comparators operate across a wide supply voltage range. Because many monitoring and control systems require threshold detection, comparator devices such as the LM139 remain widely used in analog interface circuits.
Moreover, the ceramic DIP-14 package supports reliable operation in military and aerospace environments. This package also simplifies installation in high reliability electronics and legacy equipment designs.
Therefore, the LM139AJ/883Q remains a dependable comparator solution for aerospace electronics, defense systems, and industrial monitoring applications.
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